Issued Patents 2024
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12120960 | Piezoelectric speaker | Kohei Oto, Saori Yamamoto, Ryohei OBAN, Tomoaki Hishiki | 2024-10-15 |
| 12071761 | Sound reducing system | Tomoaki Hishiki, Kohei Oto, Saori Yamamoto, Yuka Sekiguchi | 2024-08-27 |
| 11950051 | Piezoelectric speaker | Tomoaki Hishiki, Kohei Oto, Saori Yamamoto, Yuka Sekiguchi | 2024-04-02 |